Safety helmet



FIG. 1 is a front elevational view of a safety helmet showing my newdesign;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a rear perspective view thereof.

The portions shown in broken lines in FIG. 6 are included for thepurpose of illustrating environmental structure and form no part of theclaimed design.

CLAIM The ornamental design for a safety helmet, as shown and described.